CVE-2023-22915 — Zyxel / USG FLEX series firmware

Description (CNA)

A buffer overflow vulnerability in the “fbwifi_forward.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.30 through 5.35, USG20(W)-VPN firmware versions 4.30 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote unauthenticated attacker to cause DoS conditions by sending a crafted HTTP request if the Facebook WiFi function were enabled on an affected device.

Affected (CNA)

Vendor / product	Versions
Zyxel / USG FLEX series firmware	affected 4.50 through 5.35
Zyxel / USG FLEX 50(W) firmware	affected 4.30 through 5.35
Zyxel / USG20(W)-VPN firmware	affected 4.30 through 5.35
Zyxel / VPN series firmware	affected 4.30 through 5.35

CWE

CWE-120

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps

ADP enrichment

CVE

No English description supplied.

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps

CISA-ADP

No English description supplied.

No references supplied.